diff options
| author | Simon Glass <sjg@chromium.org> | 2017-07-25 14:29:58 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-07-28 18:02:47 (GMT) |
| commit | 66de3eee7923d3eb4101ff2565afa48f4376a939 (patch) | |
| tree | a76d8e1601fbcca8a5c4d21aa0d066d6d98e94ca /arch/arm | |
| parent | 9b6b3c1b50bac5a1fe8870c2c19d62c118a79147 (diff) | |
| download | u-boot-fsl-qoriq-66de3eee7923d3eb4101ff2565afa48f4376a939.tar.xz | |
tegra: tegra124: Add a PMC syscon driver
The PMC can be modelled as a syscon peripheral. Add a driver for this
so that it can be accessed by drivers when needed. Enable it for tegra124
boards.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-on: Beaver, Jetson-TK1
Tested-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/tegra.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra124/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra124/pmc.c | 19 |
4 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra/tegra.h b/arch/arm/include/asm/arch-tegra/tegra.h index 3add1b3..3b9711d 100644 --- a/arch/arm/include/asm/arch-tegra/tegra.h +++ b/arch/arm/include/asm/arch-tegra/tegra.h @@ -97,6 +97,11 @@ enum { TEGRA_SOC_UNKNOWN = -1, }; +/* Tegra system controller (SYSCON) devices */ +enum { + TEGRA_SYSCON_PMC, +}; + #else /* __ASSEMBLY__ */ #define PRM_RSTCTRL NV_PA_PMC_BASE #endif diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index 4838758..58085dc 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -88,6 +88,8 @@ config TEGRA124 bool "Tegra124 family" select TEGRA_ARMV7_COMMON imply ENV_IS_IN_MMC + imply REGMAP + imply SYSCON config TEGRA210 bool "Tegra210 family" diff --git a/arch/arm/mach-tegra/tegra124/Makefile b/arch/arm/mach-tegra/tegra124/Makefile index c00de61..d275daf 100644 --- a/arch/arm/mach-tegra/tegra124/Makefile +++ b/arch/arm/mach-tegra/tegra124/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_SPL_BUILD) += cpu.o obj-y += clock.o obj-y += funcmux.o obj-y += pinmux.o +obj-y += pmc.o obj-y += xusb-padctl.o obj-y += ../xusb-padctl-common.o diff --git a/arch/arm/mach-tegra/tegra124/pmc.c b/arch/arm/mach-tegra/tegra124/pmc.c new file mode 100644 index 0000000..be82acf --- /dev/null +++ b/arch/arm/mach-tegra/tegra124/pmc.c @@ -0,0 +1,19 @@ +/* + * Copyright (C) 2017 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <syscon.h> + +static const struct udevice_id tegra124_syscon_ids[] = { + { .compatible = "nvidia,tegra124-pmc", .data = TEGRA_SYSCON_PMC }, +}; + +U_BOOT_DRIVER(syscon_tegra124) = { + .name = "tegra124_syscon", + .id = UCLASS_SYSCON, + .of_match = tegra124_syscon_ids, +}; |